io.legaldocml.akn.element.Workflow Maven / Gradle / Ivy

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package io.legaldocml.akn.element;

import com.google.common.collect.ImmutableMap;
import io.legaldocml.akn.AknObject;
import io.legaldocml.akn.attribute.Source;
import io.legaldocml.akn.type.AgentRef;
import io.legaldocml.akn.util.AknList;
import io.legaldocml.akn.util.XmlWriterHelper;
import io.legaldocml.io.impl.Buffers;
import io.legaldocml.io.CharArray;
import io.legaldocml.io.XmlReader;
import io.legaldocml.io.XmlWriter;

import java.io.IOException;
import java.util.function.BiConsumer;

import static io.legaldocml.akn.element.Attributes.biConsumerAgentRef;
import static io.legaldocml.unsafe.UnsafeHelper.getFieldOffset;

/**
 *  *   <xsd:element name="workflow">
 * 	   <xsd:complexType>
 * 	     <xsd:sequence>
 * 		   <xsd:element ref="step" minOccurs="1" maxOccurs="unbounded"/>
 * 		 <xsd:sequence>
 * 	 	 <xsd:attributeGroup ref="source"/>
 * 	   <xsd:complexType>
 *   <xsd:element>
 * 
 *
 * @author Jacques Militello
 */
public final class Workflow implements Source {

    /**
     * XML tag element name.
     */
    public static final String ELEMENT = "workflow";

    /**
     * Memory address.
     */
    private static final long ADDRESS = Buffers.address(ELEMENT);

    private static final ImmutableMap> ATTRIBUTES;

    static {
        ATTRIBUTES = ImmutableMap.>builder()
                .put(Source.ATTRIBUTE, biConsumerAgentRef(getFieldOffset(Workflow.class, "source")))
                .build();
    }


    // Mandatory (min 1).
    private final AknList steps = new AknList(new Step[6]);

    // Mandatory
    private AgentRef source;

    /**
     * {@inheritDoc}
     */
    @Override
    public AgentRef getSource() {
        return this.source;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void setSource(AgentRef source) {
        this.source = source;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void write(XmlWriter writer) throws IOException {
        writer.writeStart(ADDRESS, 8);
        XmlWriterHelper.writeSource(writer, this);
        this.steps.write(writer);
        writer.writeEnd(ADDRESS, 8);
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public void read(XmlReader reader) {
        Attributes.read(reader, this);
        reader.nextStartOrEndElement();

        if (reader.getQName().equalsLocalName(Step.ELEMENT)) {
            Step step;
            do {
                step = new Step();
                step.read(reader);
                this.steps.add(step);
                reader.nextStartOrEndElement();
            } while (reader.getQName().equalsLocalName(Step.ELEMENT));
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String name() {
        return ELEMENT;
    }

    @Override
    public ImmutableMap> attributes() {
        return ATTRIBUTES;
    }
}